#Step 2 - Copying the Public Key to Ubuntu Server The next step is to place the public key on your server so that you can use SSH-key-based authentication to log in. You now have a public and private key that you can use to authenticate.

Open Putty, and in the 'Host Name (or IP address)' field, enter: '127.0.0.OutputYour identification has been saved in / your_home/.ssh/id_rsa.

You need to remember the username you created on your Guest! Remember, you CANNOT log in as root using SSH, so this will have to be the user you created. For Linux and Mac users, use the built in terminal. To do so, use the Putty terminal emulator (if you are on Windows).

Now, it's time to try and connect to the Guest. This means that your Host is listening on port 2222 for connections. Use the space bar to move one page at a time, and look for a line similar to this: tcp4 0 0 0.0. Open a terminal on your Host (a DOS Command Prompt if this is Windows), and type the following command:.To verify that the change has been implemented: Shut down the VM (Close -> ACPI Shutdown).You will probably need to restart the Virtual Machine so that the changes are applied: Click OK again to exit the Network Settings. You are back in the Network Settings windows. 'If a TCP connection is received on the Host on TCP port 2222, send it on to the Guest on TCP port 22' Guest IP is left blank - there is no need by default to change this.It means that ANY MACHINE that can access your Host on TCP port 2222 will be able to talk to the SSH on your guest. Host IP is set to nothing - this is on purpose, and is equivalent to saying 0.0.0.0.You can do this from the VirtualBox Manager (right click on the VM name on the left side of the window, then choose Settings.), then choose Network.To enable port forwarding, open the settings for your Virtual Machine. access a service on the Guest, a web server for example ?.the Host, and other machines outside, cannot access the Guest.Įverything is fine while you are using the console, as we have done so far, but what if you want to:.in NAT mode, the Guest can access the outside world, but does so while being NAT'ed behind the IP of the Host.

We have discussed this earlier, but as a reminder: 2 Why Port Forwarding ?īy default your VM is created with a network connection in NAT mode.

You will use the Port Forwarding network feature of Virtual Box, and configure it to access your guest VM via SSH.

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